+static
+struct ctf_stream_event *extract_ctf_stream_event(struct ctf_stream *stream)
+{
+ struct ctf_stream_class *stream_class = stream->stream_class;
+ struct ctf_event *event_class;
+ struct ctf_stream_event *event;
+ uint64_t id = stream->event_id;
+
+ if (id >= stream_class->events_by_id->len) {
+ fprintf(stdout, "[error] Event id %" PRIu64 " is outside range.\n", id);
+ return NULL;
+ }
+ event = g_ptr_array_index(stream->events_by_id, id);
+ if (!event) {
+ fprintf(stdout, "[error] Event id %" PRIu64 " is unknown.\n", id);
+ return NULL;
+ }
+ event_class = g_ptr_array_index(stream_class->events_by_id, id);
+ if (!event_class) {
+ fprintf(stdout, "[error] Event id %" PRIu64 " is unknown.\n", id);
+ return NULL;
+ }
+
+ return event;
+}
+